Universal Licensing System
WNJZ981
NATIONAL BUILDING PRODUCTS
License details
| ULS identifier | 1660228 |
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| Call sign | WNJZ981 |
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| Radio service | IG |
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| Status | T |
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| Grant date | 1997-05-30 |
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| Expiration | 2002-09-28 |
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| Cancellation | 2002-03-20 |
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| Frequency range | 464.125 - 469.125 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | LOIZA, PR |
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| Coordinates | 18.2793889, -65.8646111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:11:13 |
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Licensee
| Name | NATIONAL BUILDING PRODUCTS |
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| Applicant type | C |
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| FRN | 0001729300 |
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| Location | SAN JUAN, PR |
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| Address | SAN JUAN, PR, 009194139 |
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| Phone | 8097518989 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | FB4 | 464.12500000 | | | 75.000000 | 300.000000 | |
| 3 | 1 | FB | 464.12500000 | | | 35.000000 | 280.000000 | |
| 5 | 1 | MO | 464.12500000 | | | 35.000000 | | |
| 1 | 1 | FX1 | 469.12500000 | | | 35.000000 | | |
| 4 | 1 | FX1T | 469.12500000 | | | 35.000000 | | |
| 5 | 1 | MO | 469.12500000 | | | 35.000000 | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 464.12500000 | | 20K0F3E |
| 3 | 1 | 464.12500000 | | 20K0F3E |
| 5 | 1 | 464.12500000 | | 20K0F3E |
| 1 | 1 | 469.12500000 | | 20K0F3E |
| 4 | 1 | 469.12500000 | | 20K0F3E |
| 5 | 1 | 469.12500000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | PR | | | | | |
| 2 | T | PR RD 186 KM 10.0 BO CUBUY, LOIZA, PR | 18.27938889, -65.86461111 | 597.000 m | | | N |
| 3 | T | 206 GUAYAMA, HATO REY, PR | 18.41522222, -66.04405556 | 5.000 m | | | N |
| 4 | T | | | | | | |
| 5 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | | | | | |
| 1 | 2 | T | | 15.000 m | | | | | |
| 1 | 3 | T | | 11.000 m | | | | | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 206 GUAYAMA ST HATO, REY, PR | | 8097518989 |
License history
| Date | File or call sign | Action |
|---|
| 2002-03-20 | WNJZ981 | LITERM |
| 2001-11-05 | WNJZ981 | AUDCAN |
| 2000-11-23 | WNJZ981 | LICCNV |
| 1997-05-30 | WNJZ981 | AUTHPR |
| 1997-05-30 | WNJZ981 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1660228 | 2026-08-02 01:11:13 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WNJZ981 | ULS 1660228 | 2026-08-02 01:11:13 |
| Status | T | ULS 1660228 | 2026-08-02 01:11:13 |
| Service | IG | ULS 1660228 | 2026-08-02 01:11:13 |
| Grant Date | 1997-05-30 | ULS 1660228 | 2026-08-02 01:11:13 |
| Expiration Date | 2002-09-28 | ULS 1660228 | 2026-08-02 01:11:13 |
| Cancellation Date | 2002-03-20 | ULS 1660228 | 2026-08-02 01:11:13 |